﻿
/* This is an example of how to cancel all the files queued up.  It's made somewhat generic.  Just pass your SWFUpload
object in to this method and it loops through cancelling the uploads. */
function cancelQueue(instance) {
	//document.getElementById(instance.customSettings.cancelButtonId).disabled = true;
	instance.stopUpload();
	var stats;
	
	do {
		stats = instance.getStats();
		instance.cancelUpload();
	} while (stats.files_queued !== 0);
	
}

/* **********************
   Event Handlers
   These are my custom event handlers to make my
   web application behave the way I went when SWFUpload
   completes different tasks.  These aren't part of the SWFUpload
   package.  They are part of my application.  Without these none
   of the actions SWFUpload makes will show up in my application.
   ********************** */
function fileDialogStart() {
    /* I don't need to do anything here */   
}
function fileQueued(file) {
    try {
     
        document.getElementById(this.customSettings.progressTarget).style.display = "";
		// You might include code here that prevents the form from being submitted while the upload is in
        // progress.  Then you'll want to put code in the Queue Complete handler to "unblock" the form
        var progress = new FileProgress(file, this.customSettings.progressTarget, this.customSettings.isvideo);
		progress.setStatus("等待上传...");
		progress.toggleCancel(true, this);

	} catch (ex) {
		this.debug(ex);
	}

}

function fileQueueError(file, errorCode, message) {
	try {
		if (errorCode === SWFUpload.QUEUE_ERROR.QUEUE_LIMIT_EXCEEDED) {
			alert("您选择了过多的图片。\n" + (message === 0 ? "选择图片个数超过限制。" : "最多还能选择 " + message + " 张。"));
			return;
		}

		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setError();
		progress.toggleCancel(false);

		switch (errorCode) {
		case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT:
			progress.setStatus("图片超大。");
			this.debug("出错: 图片超大, 图片名: " + file.name + ", 大小: " + file.size + ", Message: " + message);
			break;
		case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
			progress.setStatus("图片为空");
			this.debug("出错: 图片为空, 图片名: " + file.name + ", 大小: " + file.size + ", Message: " + message);
			break;
		case SWFUpload.QUEUE_ERROR.INVALID_FILETYPE:
			progress.setStatus("图片格式错误");
			this.debug("出错: 未知图片格式, 图片名: " + file.name + ", 大小: " + file.size + ", Message: " + message);
			break;
        case SWFUpload.QUEUE_ERROR.QUEUE_LIMIT_EXCEEDED:
            alert("您选择了过多的图片。 " + (message > 1 ? "您还可以添加 " + message + " 张图片。" : "您不可以再添加图片。"));
            break;
		default:
			if (file !== null) {
				progress.setStatus("未知错误");
			}
			this.debug("出错: " + errorCode + ", 图片名: " + file.name + ", 大小: " + file.size + ", Message: " + message);
			break;
		}
	} catch (ex) {
        this.debug(ex);
    }
}

function fileDialogComplete(numFilesSelected, numFilesQueued) {
    try {
//        if (DragImage.currentPicCount == 20) {
//            cancelQueue(upload1);
//            alert("上传图片数量已经达到最大值20张，无法继续上传");
//            return;
//        }
		if (this.getStats().files_queued > 0) {
			document.getElementById(this.customSettings.cancelButtonId).disabled = false;
		}
		
		/* I want auto start and I can do that here */
		this.startUpload();
	} catch (ex)  {
        this.debug(ex);
	}
}

function uploadStart(file) {
    try {     
		/* I don't want to do any file validation or anything,  I'll just update the UI and return true to indicate that the upload should start */
        var progress = new FileProgress(file, this.customSettings.progressTarget, this.customSettings.isvideo);
		progress.setStatus("正在上传...");
		progress.toggleCancel(true, this);
	}
	catch (ex) {
	}
	
	return true;
}

function uploadProgress(file, bytesLoaded, bytesTotal) {

    try {
        var progress = new FileProgress(file, this.customSettings.progressTarget);
//        if (DragImage.currentPicCount == 20) {
//            cancelQueue(upload1);
//            return;
//        }
		var percent = Math.ceil((bytesLoaded / bytesTotal) * 100);
        		
		progress.setProgress(percent);
		progress.setStatus("正在上传...");
	} catch (ex) {
		this.debug(ex);
	}
}

function uploadSuccess(file, serverData) {
	try {
		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setComplete();
		progress.setStatus("完成.");
		progress.toggleCancel(false);
        //alert(serverData);
		serverData = eval('('+serverData+')');
		//document.getElementById(progress.fileProgressID).outerHTML = DragDriveLicenseImage.addOnePicHtml(serverData.img);
	} catch (ex) {
		this.debug(ex);
	}
}

function uploadComplete(file) {
	try {
		/*  I want the next upload to continue automatically so I'll call startUpload here */
		if (this.getStats().files_queued === 0) {
		    document.getElementById(this.customSettings.cancelButtonId).disabled = true;
		} else {	
			this.startUpload();
		}
	} catch (ex) {
		this.debug(ex);
	}

}

function uploadError(file, errorCode, message) {
	try {
	    var progress = new FileProgress(file, this.customSettings.progressTarget, this.customSettings.isvideo);
		progress.setError();
		progress.toggleCancel(false);

		switch (errorCode) {
		case SWFUpload.UPLOAD_ERROR.HTTP_ERROR:
			progress.setStatus("上传出错: " + message);
			this.debug("出错: HTTP Error, File name: " + file.name + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.MISSING_UPLOAD_URL:
			progress.setStatus("配置出错");
			this.debug("出错: No backend file, File name: " + file.name + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_FAILED:
			progress.setStatus("上传失败。");
			this.debug("出错: Upload Failed, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.IO_ERROR:
			progress.setStatus("写入磁盘失败。");
			this.debug("出错: IO Error, File name: " + file.name + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.SECURITY_ERROR:
			progress.setStatus("安全保存失败。");
			this.debug("出错: Security Error, File name: " + file.name + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_LIMIT_EXCEEDED:
			progress.setStatus("上传超过限制。");
			this.debug("出错: Upload Limit Exceeded, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.SPECIFIED_FILE_ID_NOT_FOUND:
			progress.setStatus("上传文件不存在。");
			this.debug("出错: The file was not found, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.FILE_VALIDATION_FAILED:
			progress.setStatus("确认失败，跳过上传。");
			this.debug("出错: File Validation Failed, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.FILE_CANCELLED:
			if (this.getStats().files_queued === 0) {
				document.getElementById(this.customSettings.cancelButtonId).disabled = true;
			}
			progress.setStatus("已取消");
			progress.setCancelled();
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_STOPPED:
			progress.setStatus("已停止");
			break;
		default:
			progress.setStatus("Unhandled Error: " + error_code);
			this.debug("出错: " + errorCode + ", File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		}
	} catch (ex) {
        this.debug(ex);
    }
}